120137885 has 8 divisors (see below), whose sum is σ = 164760576. Its totient is φ = 82380240.

The previous prime is 120137881. The next prime is 120137971. The reversal of 120137885 is 588731021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120137885 - 2² = 120137881 is a prime.

It is a super-2 number, since 2×120137885² = 28866222824546450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 3432511 = 120137885 / (1 + 2 + 0 + 1 + 3 + 7 + 8 + 8 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120137881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716221 + ... + 1716290.

It is an arithmetic number, because the mean of its divisors is an integer number (20595072).

Almost surely, 2^120137885 is an apocalyptic number.

It is an amenable number.

120137885 is a deficient number, since it is larger than the sum of its proper divisors (44622691).

120137885 is an equidigital number, since it uses as much as digits as its factorization.

120137885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432523.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 120137885 is about 10960.7429036539. The cubic root of 120137885 is about 493.4312612492.

The spelling of 120137885 in words is "one hundred twenty million, one hundred thirty-seven thousand, eight hundred eighty-five".